Hel0 me pleae

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

Sole the equation 6n + 9 = -3n - 21 - 6 for n

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample